2258586 has 72 divisors (see below), whose sum is σ = 5788692. Its totient is φ = 633600.

The previous prime is 2258573. The next prime is 2258593. The reversal of 2258586 is 6858522.

2258586 is a `hidden beast` number, since 22 + 58 + 586 = 666.

2258586 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2205225 + 53361 = 1485^2 + 231^2 .

It is a d-powerful number, because it can be written as 2¹¹ + 2¹⁶ + 5⁶ + 8² + 5⁷ + 8⁷ + 6² .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2258586.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 36996 + ... + 37056.

2^2258586 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2258586, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2894346).

2258586 is an abundant number, since it is smaller than the sum of its proper divisors (3530106).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2258586 is a wasteful number, since it uses less digits than its factorization.

2258586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108 (or 94 counting only the distinct ones).

The product of its digits is 38400, while the sum is 36.

The square root of 2258586 is about 1502.8592748491. The cubic root of 2258586 is about 131.2035372956.

The spelling of 2258586 in words is "two million, two hundred fifty-eight thousand, five hundred eighty-six".